Trump officials mistakenly shared attack plans with a reporter on an unsecured app, breaching rules. Pentagon and military leaders emphasize operational security training to protect troops. OPSEC is ...

FORT LEONARD WOOD, Mo. — Operations Security, or OPSEC, is our first line of defense against hostile intelligence-collection efforts, helping us achieve the Army’s objectives in deterring terrorist ...

“Fall” into an operations security (OPSEC) mindset this holiday season. With seasons changing and holidays approaching, it’s easy to slip into complacency and forget OPSEC measures. It is easy to ...

What is wrong with this photo’s caption? U.S. Army Soldiers move to the UH-60 Black Hawk after searching the area for items of interest during an aerial response force mission, Iraq, March 31.

The Order of Battles we have published are not OPSEC violations, they are reports of OPSEC violations. All of the data contained within the OOBs is available with a simple word search on the Internet ...